:root {
    --primary: #3b82f6;
    /* Azul eléctrico */
    --primary-glow: rgba(59, 130, 246, 0.15);
    --secondary: #8b5cf6;
    /* Violeta brillante */
    --bg-dark: #030712;
    /* Casi negro azulado */
    --bg-light: #0f172a;
    /* Slate oscuro */
    --text-main: #94a3b8;
    /* Slate claro para texto */
    --text-bright: #f8fafc;
    /* Slate más claro para títulos */
    --text-dim: #64748b;
    --glass: rgba(15, 23, 42, 0.65);
    --glass-border: rgba(255, 255, 255, 0.05);
    --transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);

    font-size: 16px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, sans-serif;
    background: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.7;
    overflow-x: hidden;
}

h1,
h2,
h3,
h4,
.logo,
.badge,
.btn-primary {
    font-family: 'Outfit', sans-serif;
}

/* Decoración de fondo premium (Orbes brillantes y gradientes fluidos) */
.bg-decor {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background-color: var(--bg-dark);
    overflow: hidden;
    pointer-events: none;
}

.glow-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.4;
    animation: drift 20s ease-in-out infinite alternate;
}

.orb-1 {
    top: -10%;
    right: -5%;
    width: 600px;
    height: 600px;
    background: rgba(139, 92, 246, 0.15);
    /* Violeta */
    animation-delay: -5s;
}

.orb-2 {
    bottom: -20%;
    left: -10%;
    width: 800px;
    height: 800px;
    background: rgba(59, 130, 246, 0.12);
    /* Azul */
}

@keyframes drift {
    0% {
        transform: translate(0, 0) scale(1);
    }

    100% {
        transform: translate(100px, 50px) scale(1.1);
    }
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

.section-padding {
    padding: 120px 0;
}

/* Navbar */
nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    background: rgba(3, 7, 18, 0.7);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--glass-border);
    padding: 18px 0;
    transition: var(--transition);
}

nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-weight: 800;
    color: var(--text-bright);
    font-size: 1.4rem;
    text-decoration: none;
    letter-spacing: -0.5px;
}

.logo span {
    color: var(--primary);
    font-weight: 600;
}

.nav-links {
    display: flex;
    gap: 36px;
}

.nav-links a {
    color: var(--text-main);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--text-bright);
}

/* Utils para animación */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-top: 100px;
}

.hero-content {
    max-width: 800px;
    position: relative;
    z-index: 10;
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: 6px 14px;
    background: var(--primary-glow);
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: 100px;
    color: var(--primary);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 30px;
    letter-spacing: 0.5px;
}

.hero h1 {
    font-size: clamp(48px, 6vw, 76px);
    font-weight: 800;
    color: var(--text-bright);
    line-height: 1.05;
    margin-bottom: 20px;
    letter-spacing: -1px;
}

.hero h1 span {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero h2 {
    font-size: clamp(24px, 3vw, 32px);
    color: var(--text-main);
    font-weight: 400;
    margin-bottom: 24px;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-main);
    margin-bottom: 48px;
    max-width: 600px;
    line-height: 1.6;
}

.cta-group {
    display: flex;
    gap: 20px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px 32px;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
}

.btn-primary {
    background: var(--text-bright);
    color: var(--bg-dark);
    box-shadow: 0 4px 14px 0 rgba(255, 255, 255, 0.1);
}

.btn-primary:hover {
    background: #e2e8f0;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px 0 rgba(255, 255, 255, 0.15);
}

.tech-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 60px;
}

.tech-tag {
    background: var(--glass);
    color: var(--text-bright);
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 0.9rem;
    font-family: 'Inter', sans-serif;
    font-weight: 500;
    border: 1px solid var(--glass-border);
    transition: var(--transition);
}

.tech-tag:hover {
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
    background: rgba(255, 255, 255, 0.05);
}

/* Projects */
.section-title {
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 2.5rem;
    color: var(--text-bright);
    font-weight: 700;
    margin-bottom: 15px;
    letter-spacing: -0.5px;
}

.section-title .line {
    height: 4px;
    width: 60px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: 2px;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 32px;
}

/* Ajuste para que BoxApp resalte si es "featured" (opcional si hay espacio extra visual) */
.project-card.featured {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 40px;
    align-items: center;
}

.project-card {
    background: var(--glass);
    border-radius: 16px;
    display: flex;
    flex-direction: column;
    height: 100%;
    transition: var(--transition);
    border: 1px solid var(--glass-border);
    overflow: hidden;
    position: relative;
}

.project-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 16px;
    padding: 1px;
    background: linear-gradient(to bottom right, rgba(255, 255, 255, 0.1), transparent);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
}

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.7);
    border-color: rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.03);
}

.card-image-wrap {
    position: relative;
    width: 100%;
    height: 240px;
    overflow: hidden;
}

.featured .card-image-wrap {
    height: 100%;
    min-height: 350px;
}

.project-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.7s ease;
}

.overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(15, 23, 42, 1) 0%, transparent 100%);
    opacity: 0.8;
    transition: var(--transition);
}

.project-card:hover .project-img {
    transform: scale(1.05);
}

.project-card:hover .overlay {
    opacity: 0.4;
}

.card-content {
    padding: 30px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.project-card h3 {
    font-size: 1.5rem;
    color: var(--text-bright);
    margin-bottom: 12px;
}

.project-card p {
    font-size: 1rem;
    color: var(--text-main);
    margin-bottom: 24px;
    flex-grow: 1;
    line-height: 1.6;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 24px;
}

.project-tags span {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--primary);
    background: var(--primary-glow);
    padding: 6px 12px;
    border-radius: 4px;
}

.project-links {
    display: flex;
    gap: 20px;
}

.link-icon {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--text-bright);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: var(--transition);
}

.link-icon:hover {
    color: var(--primary);
}

.link-btn {
    display: inline-flex;
    align-items: center;
    padding: 10px 16px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: 6px;
    color: var(--text-bright);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
}

.link-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

/* Hobbies */
.hobbies-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.hobby-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px 24px;
    background: var(--glass);
    border-radius: 12px;
    border: 1px solid var(--glass-border);
    transition: var(--transition);
}

.hobby-item:hover {
    background: rgba(255, 255, 255, 0.05);
    transform: translateY(-3px);
    border-color: rgba(255, 255, 255, 0.1);
}

.hobby-icon {
    font-size: 1.8rem;
}

.hobby-text {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--text-bright);
}

/* Contact */
.contact-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
    background: var(--glass);
    padding: 60px 40px;
    border-radius: 24px;
    border: 1px solid var(--glass-border);
}

.contact-content h2 {
    font-size: clamp(36px, 5vw, 48px);
    color: var(--text-bright);
    margin-bottom: 20px;
}

.contact-content p {
    font-size: 1.15rem;
    color: var(--text-main);
    margin-bottom: 40px;
}

footer {
    text-align: center;
    padding: 40px 0;
    font-size: 0.9rem;
    color: var(--text-dim);
    border-top: 1px solid var(--glass-border);
    margin-top: 40px;
}

/* Responsive adjustments */
@media (max-width: 900px) {
    .project-card.featured {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .featured .card-image-wrap {
        height: 250px;
        min-height: auto;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .hero {
        padding-top: 120px;
    }

    .cta-group {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

    .projects-grid {
        grid-template-columns: 1fr;
    }

    .contact-content {
        padding: 40px 20px;
    }
}